arch/arm/boot/dts/at91rm9200.dtsi

   1 /*
   2  * at91rm9200.dtsi - Device Tree Include file for AT91RM9200 family SoC
   3  *
   4  *  Copyright (C) 2011 Atmel,
   5  *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>,
   6  *                2012 Joachim Eastwood <manabian@gmail.com>
   7  *
   8  * Based on at91sam9260.dtsi
   9  *
  10  * Licensed under GPLv2 or later.
  11  */
  12
  13 /include/ "skeleton.dtsi"
  14
  15 / {
  16         model = "Atmel AT91RM9200 family SoC";
  17         compatible = "atmel,at91rm9200";
  18         interrupt-parent = <&aic>;
  19
  20         aliases {
  21                 serial0 = &dbgu;
  22                 serial1 = &usart0;
  23                 serial2 = &usart1;
  24                 serial3 = &usart2;
  25                 serial4 = &usart3;
  26                 gpio0 = &pioA;
  27                 gpio1 = &pioB;
  28                 gpio2 = &pioC;
  29                 gpio3 = &pioD;
  30                 tcb0 = &tcb0;
  31                 tcb1 = &tcb1;
  32         };
  33         cpus {
  34                 cpu@0 {
  35                         compatible = "arm,arm920t";
  36                 };
  37         };
  38
  39         memory {
  40                 reg = <0x20000000 0x04000000>;
  41         };
  42
  43         ahb {
  44                 compatible = "simple-bus";
  45                 #address-cells = <1>;
  46                 #size-cells = <1>;
  47                 ranges;
  48
  49                 apb {
  50                         compatible = "simple-bus";
  51                         #address-cells = <1>;
  52                         #size-cells = <1>;
  53                         ranges;
  54
  55                         aic: interrupt-controller@fffff000 {
  56                                 #interrupt-cells = <3>;
  57                                 compatible = "atmel,at91rm9200-aic";
  58                                 interrupt-controller;
  59                                 reg = <0xfffff000 0x200>;
  60                                 atmel,external-irqs = <25 26 27 28 29 30 31>;
  61                         };
  62
  63                         ramc0: ramc@ffffff00 {
  64                                 compatible = "atmel,at91rm9200-sdramc";
  65                                 reg = <0xffffff00 0x100>;
  66                         };
  67
  68                         pmc: pmc@fffffc00 {
  69                                 compatible = "atmel,at91rm9200-pmc";
  70                                 reg = <0xfffffc00 0x100>;
  71                         };
  72
  73                         st: timer@fffffd00 {
  74                                 compatible = "atmel,at91rm9200-st";
  75                                 reg = <0xfffffd00 0x100>;
  76                                 interrupts = <1 4 7>;
  77                         };
  78
  79                         tcb0: timer@fffa0000 {
  80                                 compatible = "atmel,at91rm9200-tcb";
  81                                 reg = <0xfffa0000 0x100>;
  82                                 interrupts = <17 4 0 18 4 0 19 4 0>;
  83                         };
  84
  85                         tcb1: timer@fffa4000 {
  86                                 compatible = "atmel,at91rm9200-tcb";
  87                                 reg = <0xfffa4000 0x100>;
  88                                 interrupts = <20 4 0 21 4 0 22 4 0>;
  89                         };
  90
  91                         pinctrl@fffff400 {
  92                                 #address-cells = <1>;
  93                                 #size-cells = <1>;
  94                                 compatible = "atmel,at91rm9200-pinctrl", "simple-bus";
  95                                 ranges = <0xfffff400 0xfffff400 0x800>;
  96
  97                                 atmel,mux-mask = <
  98                                         /*    A         B     */
  99                                          0xffffffff 0xffffffff  /* pioA */
 100                                          0xffffffff 0x083fffff  /* pioB */
 101                                          0xffff3fff 0x00000000  /* pioC */
 102                                          0x03ff87ff 0x0fffff80  /* pioD */
 103                                         >;
 104
 105                                 /* shared pinctrl settings */
 106                                 dbgu {
 107                                         pinctrl_dbgu: dbgu-0 {
 108                                                 atmel,pins =
 109                                                         <0 30 0x1 0x0   /* PA30 periph A */
 110                                                          0 31 0x1 0x1>; /* PA31 periph with pullup */
 111                                         };
 112                                 };
 113
 114                                 uart0 {
 115                                         pinctrl_uart0: uart0-0 {
 116                                                 atmel,pins =
 117                                                         <0 17 0x1 0x0   /* PA17 periph A */
 118                                                          0 18 0x1 0x0>; /* PA18 periph A */
 119                                         };
 120
 121                                         pinctrl_uart0_rts: uart0_rts-0 {
 122                                                 atmel,pins =
 123                                                         <0 20 0x1 0x0>; /* PA20 periph A */
 124                                         };
 125
 126                                         pinctrl_uart0_cts: uart0_cts-0 {
 127                                                 atmel,pins =
 128                                                         <0 21 0x1 0x0>; /* PA21 periph A */
 129                                         };
 130                                 };
 131
 132                                 uart1 {
 133                                         pinctrl_uart1: uart1-0 {
 134                                                 atmel,pins =
 135                                                         <1 20 0x1 0x1   /* PB20 periph A with pullup */
 136                                                          1 21 0x1 0x0>; /* PB21 periph A */
 137                                         };
 138
 139                                         pinctrl_uart1_rts: uart1_rts-0 {
 140                                                 atmel,pins =
 141                                                         <1 24 0x1 0x0>; /* PB24 periph A */
 142                                         };
 143
 144                                         pinctrl_uart1_cts: uart1_cts-0 {
 145                                                 atmel,pins =
 146                                                         <1 26 0x1 0x0>; /* PB26 periph A */
 147                                         };
 148
 149                                         pinctrl_uart1_dtr_dsr: uart1_dtr_dsr-0 {
 150                                                 atmel,pins =
 151                                                         <1 19 0x1 0x0   /* PB19 periph A */
 152                                                          1 25 0x1 0x0>; /* PB25 periph A */
 153                                         };
 154
 155                                         pinctrl_uart1_dcd: uart1_dcd-0 {
 156                                                 atmel,pins =
 157                                                         <1 23 0x1 0x0>; /* PB23 periph A */
 158                                         };
 159
 160                                         pinctrl_uart1_ri: uart1_ri-0 {
 161                                                 atmel,pins =
 162                                                         <1 18 0x1 0x0>; /* PB18 periph A */
 163                                         };
 164                                 };
 165
 166                                 uart2 {
 167                                         pinctrl_uart2: uart2-0 {
 168                                                 atmel,pins =
 169                                                         <0 22 0x1 0x0   /* PA22 periph A */
 170                                                          0 23 0x1 0x1>; /* PA23 periph A with pullup */
 171                                         };
 172
 173                                         pinctrl_uart2_rts: uart2_rts-0 {
 174                                                 atmel,pins =
 175                                                         <0 30 0x2 0x0>; /* PA30 periph B */
 176                                         };
 177
 178                                         pinctrl_uart2_cts: uart2_cts-0 {
 179                                                 atmel,pins =
 180                                                         <0 31 0x2 0x0>; /* PA31 periph B */
 181                                         };
 182                                 };
 183
 184                                 uart3 {
 185                                         pinctrl_uart3: uart3-0 {
 186                                                 atmel,pins =
 187                                                         <0 5 0x2 0x1    /* PA5 periph B with pullup */
 188                                                          0 6 0x2 0x0>;  /* PA6 periph B */
 189                                         };
 190
 191                                         pinctrl_uart3_rts: uart3_rts-0 {
 192                                                 atmel,pins =
 193                                                         <1 0 0x2 0x0>;  /* PB0 periph B */
 194                                         };
 195
 196                                         pinctrl_uart3_cts: uart3_cts-0 {
 197                                                 atmel,pins =
 198                                                         <1 1 0x2 0x0>;  /* PB1 periph B */
 199                                         };
 200                                 };
 201
 202                                 nand {
 203                                         pinctrl_nand: nand-0 {
 204                                                 atmel,pins =
 205                                                         <2 2 0x0 0x1    /* PC2 gpio RDY pin pull_up */
 206                                                          1 1 0x0 0x1>;  /* PB1 gpio CD pin pull_up */
 207                                         };
 208                                 };
 209
 210                                 pioA: gpio@fffff400 {
 211                                         compatible = "atmel,at91rm9200-gpio";
 212                                         reg = <0xfffff400 0x200>;
 213                                         interrupts = <2 4 1>;
 214                                         #gpio-cells = <2>;
 215                                         gpio-controller;
 216                                         interrupt-controller;
 217                                         #interrupt-cells = <2>;
 218                                 };
 219
 220                                 pioB: gpio@fffff600 {
 221                                         compatible = "atmel,at91rm9200-gpio";
 222                                         reg = <0xfffff600 0x200>;
 223                                         interrupts = <3 4 1>;
 224                                         #gpio-cells = <2>;
 225                                         gpio-controller;
 226                                         interrupt-controller;
 227                                         #interrupt-cells = <2>;
 228                                 };
 229
 230                                 pioC: gpio@fffff800 {
 231                                         compatible = "atmel,at91rm9200-gpio";
 232                                         reg = <0xfffff800 0x200>;
 233                                         interrupts = <4 4 1>;
 234                                         #gpio-cells = <2>;
 235                                         gpio-controller;
 236                                         interrupt-controller;
 237                                         #interrupt-cells = <2>;
 238                                 };
 239
 240                                 pioD: gpio@fffffa00 {
 241                                         compatible = "atmel,at91rm9200-gpio";
 242                                         reg = <0xfffffa00 0x200>;
 243                                         interrupts = <5 4 1>;
 244                                         #gpio-cells = <2>;
 245                                         gpio-controller;
 246                                         interrupt-controller;
 247                                         #interrupt-cells = <2>;
 248                                 };
 249                         };
 250
 251                         dbgu: serial@fffff200 {
 252                                 compatible = "atmel,at91rm9200-usart";
 253                                 reg = <0xfffff200 0x200>;
 254                                 interrupts = <1 4 7>;
 255                                 pinctrl-names = "default";
 256                                 pinctrl-0 = <&pinctrl_dbgu>;
 257                                 status = "disabled";
 258                         };
 259
 260                         usart0: serial@fffc0000 {
 261                                 compatible = "atmel,at91rm9200-usart";
 262                                 reg = <0xfffc0000 0x200>;
 263                                 interrupts = <6 4 5>;
 264                                 atmel,use-dma-rx;
 265                                 atmel,use-dma-tx;
 266                                 pinctrl-names = "default";
 267                                 pinctrl-0 = <&pinctrl_uart0>;
 268                                 status = "disabled";
 269                         };
 270
 271                         usart1: serial@fffc4000 {
 272                                 compatible = "atmel,at91rm9200-usart";
 273                                 reg = <0xfffc4000 0x200>;
 274                                 interrupts = <7 4 5>;
 275                                 atmel,use-dma-rx;
 276                                 atmel,use-dma-tx;
 277                                 pinctrl-names = "default";
 278                                 pinctrl-0 = <&pinctrl_uart1>;
 279                                 status = "disabled";
 280                         };
 281
 282                         usart2: serial@fffc8000 {
 283                                 compatible = "atmel,at91rm9200-usart";
 284                                 reg = <0xfffc8000 0x200>;
 285                                 interrupts = <8 4 5>;
 286                                 atmel,use-dma-rx;
 287                                 atmel,use-dma-tx;
 288                                 pinctrl-names = "default";
 289                                 pinctrl-0 = <&pinctrl_uart2>;
 290                                 status = "disabled";
 291                         };
 292
 293                         usart3: serial@fffcc000 {
 294                                 compatible = "atmel,at91rm9200-usart";
 295                                 reg = <0xfffcc000 0x200>;
 296                                 interrupts = <23 4 5>;
 297                                 atmel,use-dma-rx;
 298                                 atmel,use-dma-tx;
 299                                 pinctrl-names = "default";
 300                                 pinctrl-0 = <&pinctrl_uart3>;
 301                                 status = "disabled";
 302                         };
 303
 304                         usb1: gadget@fffb0000 {
 305                                 compatible = "atmel,at91rm9200-udc";
 306                                 reg = <0xfffb0000 0x4000>;
 307                                 interrupts = <11 4 2>;
 308                                 status = "disabled";
 309                         };
 310                 };
 311
 312                 nand0: nand@40000000 {
 313                         compatible = "atmel,at91rm9200-nand";
 314                         #address-cells = <1>;
 315                         #size-cells = <1>;
 316                         reg = <0x40000000 0x10000000>;
 317                         atmel,nand-addr-offset = <21>;
 318                         atmel,nand-cmd-offset = <22>;
 319                         pinctrl-names = "default";
 320                         pinctrl-0 = <&pinctrl_nand>;
 321                         nand-ecc-mode = "soft";
 322                         gpios = <&pioC 2 0
 323                                  0
 324                                  &pioB 1 0
 325                                 >;
 326                         status = "disabled";
 327                 };
 328
 329                 usb0: ohci@00300000 {
 330                         compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 331                         reg = <0x00300000 0x100000>;
 332                         interrupts = <23 4 2>;
 333                         status = "disabled";
 334                 };
 335         };
 336
 337         i2c@0 {
 338                 compatible = "i2c-gpio";
 339                 gpios = <&pioA 23 0 /* sda */
 340                          &pioA 24 0 /* scl */
 341                         >;
 342                 i2c-gpio,sda-open-drain;
 343                 i2c-gpio,scl-open-drain;
 344                 i2c-gpio,delay-us = <2>;        /* ~100 kHz */
 345                 #address-cells = <1>;
 346                 #size-cells = <0>;
 347                 status = "disabled";
 348         };
 349 };